diff --git a/.gitignore b/.gitignore
index 36a0767..23537e6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,6 @@ wave.yaml
 /dist/
 *.test
 *.out
+
+# Agent scratch
+/.agents/
diff --git a/AGENTS.md b/AGENTS.md
new file mode 100644
index 0000000..2e757e9
--- /dev/null
+++ b/AGENTS.md
@@ -0,0 +1 @@
+See CLAUDE.md for project guidelines.
\ No newline at end of file